1 files changed, 32 insertions, 0 deletions
diff --git a/src/supervision/s6-svok.c b/src/supervision/s6-svok.c
new file mode 100644
index 0000000..4a615e9
--- /dev/null
+++ b/src/supervision/s6-svok.c
@@ -0,0 +1,32 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/djbunix.h>
+#include <s6/s6-supervise.h>
+
+#define USAGE "s6-svok servicedir"
+
+int main (int argc, char const *const *argv)
+{
+  PROG = "s6-svok" ;
+  if (argc < 2) strerr_dieusage(100, USAGE) ;
+  argv++ ; argc-- ;
+  {
+    int fd ;
+    unsigned int dirlen = str_len(*argv) ;
+    char fn[dirlen + 9 + sizeof(S6_SUPERVISE_CTLDIR)] ;
+    byte_copy(fn, dirlen, *argv) ;
+    fn[dirlen] = '/' ;
+    byte_copy(fn + dirlen + 1, sizeof(S6_SUPERVISE_CTLDIR) - 1, S6_SUPERVISE_CTLDIR) ;
+    byte_copy(fn + dirlen + sizeof(S6_SUPERVISE_CTLDIR), 9, "/control") ;
+    fd = open_write(fn) ;
+    if (fd < 0)
+    {
+      if ((errno == ENXIO) || (errno == ENOENT)) return 1 ;
+      else strerr_diefu2sys(111, "open_write ", fn) ;
+    }
+  }
+  return 0 ;
+}